On Thu, Sep 14, 2017 at 12:59 AM,  <[email protected]> wrote:
> Hello,
> I have intefaced RTC DS1307 with Beaglbone. However, after the beaglebone
> boots up, its time is reset and RTC takes this reset time. Use of NTP would
> not be feasible since Beaglebone would be used in a remote location with no
> internet connection. What would be the solution to this issue ?

As of this week, we have an easy solution. (using u-boot overlays of
course), the trick is the rtc "aliases", so that the ds1307 gets rtc0

Seee either :

https://github.com/beagleboard/bb.org-overlays/blob/master/src/arm/BB-I2C1-MCP7940X-00A0.dts

or:

https://github.com/beagleboard/bb.org-overlays/blob/master/src/arm/BB-I2C2-PCF8523-00A0.dts

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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